Three-dimensional porous microspheres comprising hollow Fe2O3 nanorods/CNT building blocks with superior electrochemical performance for lithium ion batteries
DC Field | Value | Language |
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dc.contributor.author | Park, Seung-Keun | - |
dc.contributor.author | Park, Gi Dae | - |
dc.contributor.author | Kang, Yun Chan | - |
dc.date.accessioned | 2021-09-02T10:05:21Z | - |
dc.date.available | 2021-09-02T10:05:21Z | - |
dc.date.created | 2021-06-16 | - |
dc.date.issued | 2018-06-21 | - |
dc.identifier.issn | 2040-3364 | - |
dc.identifier.uri | https://scholar.korea.ac.kr/handle/2021.sw.korea/74901 | - |
dc.description.abstract | It is highly desirable to develop anode materials with rational architectures for lithium ion batteries to achieve high-performance electrochemical properties. In this study, three-dimensional porous composite microspheres comprising hollow Fe2O3 nanorods/carbon nanotube (CNT) building blocks are successfully constructed by direct deposition and further thermal transformation of beta-FeOOH nanorods on CNT porous microspheres. The CNT porous microsphere, which is prepared by a spray pyrolysis, provides ample sites for the direct growth of beta-FeOOH nanorods. During the further oxidation process, the beta-FeOOH nanorods are transformed into hollow Fe2O3 nanorods as a result of dehydroxylation and lattice shrinkage, resulting in the formation of hollow Fe2O3 nanorods/CNT porous microspheres. Such a hierarchical structure of composite microspheres not only facilitates electrolyte accessibility but also offers conductive networks for electrons during electrochemical reactions. Accordingly, the electrodes exhibit a high discharge capacity of 1307 mA h g(-1) after 300 cycles at a current density of 1 A g(-1); this is associated with an excellent capacity retention of 84%, which is calculated from the initial cycle. In addition, the composite delivers a discharge capacity of 703 mA h g(-1) at a current density of 15 A g(-1). | - |
dc.language | English | - |
dc.language.iso | en | - |
dc.publisher | ROYAL SOC CHEMISTRY | - |
dc.subject | REDUCED GRAPHENE OXIDE | - |
dc.subject | LONG CYCLE LIFE | - |
dc.subject | ANODE MATERIAL | - |
dc.subject | STORAGE | - |
dc.subject | NANOPARTICLES | - |
dc.subject | ALPHA-FE2O3 | - |
dc.subject | COMPOSITES | - |
dc.subject | ELECTRODES | - |
dc.subject | CONVERSION | - |
dc.subject | NANOSHEETS | - |
dc.title | Three-dimensional porous microspheres comprising hollow Fe2O3 nanorods/CNT building blocks with superior electrochemical performance for lithium ion batteries | - |
dc.type | Article | - |
dc.contributor.affiliatedAuthor | Kang, Yun Chan | - |
dc.identifier.doi | 10.1039/c8nr02686f | - |
dc.identifier.scopusid | 2-s2.0-85048685834 | - |
dc.identifier.wosid | 000435358600039 | - |
dc.identifier.bibliographicCitation | NANOSCALE, v.10, no.23, pp.11150 - 11157 | - |
dc.relation.isPartOf | NANOSCALE | - |
dc.citation.title | NANOSCALE | - |
dc.citation.volume | 10 | - |
dc.citation.number | 23 | - |
dc.citation.startPage | 11150 | - |
dc.citation.endPage | 11157 | - |
dc.type.rims | ART | - |
dc.type.docType | Article | - |
dc.description.journalClass | 1 | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
dc.relation.journalResearchArea | Chemistry | - |
dc.relation.journalResearchArea | Science & Technology - Other Topics | - |
dc.relation.journalResearchArea | Materials Science | - |
dc.relation.journalResearchArea | Physics | - |
dc.relation.journalWebOfScienceCategory | Chemistry, Multidisciplinary | - |
dc.relation.journalWebOfScienceCategory | Nanoscience & Nanotechnology | - |
dc.relation.journalWebOfScienceCategory | Materials Science, Multidisciplinary | - |
dc.relation.journalWebOfScienceCategory | Physics, Applied | - |
dc.subject.keywordPlus | REDUCED GRAPHENE OXIDE | - |
dc.subject.keywordPlus | LONG CYCLE LIFE | - |
dc.subject.keywordPlus | ANODE MATERIAL | - |
dc.subject.keywordPlus | STORAGE | - |
dc.subject.keywordPlus | NANOPARTICLES | - |
dc.subject.keywordPlus | ALPHA-FE2O3 | - |
dc.subject.keywordPlus | COMPOSITES | - |
dc.subject.keywordPlus | ELECTRODES | - |
dc.subject.keywordPlus | CONVERSION | - |
dc.subject.keywordPlus | NANOSHEETS | - |
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